Fixing up getterSetter = true setting internal ngModel to a function

Author: ruhley

examples/02-getterSetter.html

@@ -18,6 +18,7 @@
             <h1>AngularJS Color Picker</h1>
             <p>An AngularJS directive for a color picker. No requirement on jQuery.</p>
             {{color}}
+            {{color()}}
             <color-picker
                 ng-model="color"
                 ng-model-options="{ getterSetter: true }"

src/scripts/controller.js

@@ -171,13 +171,14 @@ export default class AngularColorPickerController {
     }
 
     init() {
-        this.internalNgModel = this.ngModel;
 
         // ng model options
         if (this.$scope.control[0].$options && this.$scope.control[0].$options.$$options) {
             this.ngModelOptions = this.$scope.control[0].$options.$$options;
         }
 
+        this.internalNgModel = this.ngModelOptions.getterSetter ? this.ngModel() : this.ngModel;
+
         // browser variables
         this.chrome = Boolean(window.chrome);
         let _android_version = window.navigator.userAgent.match(/Android\s([0-9\.]*)/i);